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ASRock B450M PRO4 R2.0 AM4 AMD Promontory B450 SATA 6Gb/s Micro ATX AMD Motherboard

ETA Date: 10/7/2022.
  • B450 GAMING K4
  • B450 Steel Legend
  • B450M-HDV
  • B450M-HDV R4.0
  • B450M PRO4
  • B450M PRO4 R2.0
  • B450M PRO4-F
  • B450M Steel Legend
  • AMD Promontory B450
  • Supports AMD AM4 Socket Ryzen 2000, 3000 and 5000 Series Desktop Processors
  • AMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Picasso) support DDR4 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
  • AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC)/ 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory*
  • * For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.
Overview
Specs
Reviews
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  • Supports AMD AM4 Socket Ryzen 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
  • Supports DDR4 3200*
  • 1 PCIe 3.0 x16, 1 PCIe 2.0 x16, 1 PCIe 2.0 x1
  • AMD Quad CrossFireX
  • Graphics Output:HDMI, DVI-D, D-Sub
  • 7.1 CH HD Audio (Realtek ALC892/897 Audio Codec)
  • 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4), 1 M.2 (SATA3)
  • 2 USB 3.2 Gen2 (Rear Type-A+C)
  • 6 USB 3.2 Gen1 (2 Front, 4 Rear)
  • Realtek Gigabit LAN

* Actual support may vary by CPU.

ASRock B450M PRO4 R2.0

This micro ATX motherboard offers all essentials needed to build a well-balanced gaming or office PC. Built with 10 power phase design, Super Alloy components and Full Spike Protection, the B450M PRO4 delivers unbeatable durability and reliability in the most demanding situations. Stay connected in the fast lane with dual M.2 slots, quad DIMMs, dual PCIe x16, and USB 3.2 Gen2 (10 Gbps) connectivity. It also supports POLYCHROME RGB to allow users to create dynamic RGB lighting, and has three video outputs — VGA, DVI and HDMI — for dongle-free compatibility with most monitors*.

* Processors with integrated graphics are required to use onboard video outputs.

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10 POWER PHASE DESIGN

Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.

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RULE YOUR OWN LIGHTING WAY — POLYCHROME RGB

This motherboard features onboard RGB headers and an addressable RGB header that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, and chassis. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.

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* The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters.

* The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.

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Dual M.2 For SSD

Two of the world’s fastest M.2 slots. One delivers up to PCIe Gen3 x4 32Gb/s transfer speed, while the other one supports SATA3 6Gb/s mode.

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Dual USB 3.2 Gen2 (Type-A + Type-C)

This motherboard has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear i/o for supporting next generation USB 3.2 Gen2 devices and to deliver up to 10 Gbps data transfer rates.

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2oz Copper

It comes with 2 ounces copper inner layers, using only carefully selected copper materials for PCB layers, delivering lower temperature and higher energy efficiency for overclocking.

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AMD StoreMI Technology

A powerful tool that combines the speed of your SSD with the capacity of your hard disk into a single, fast, easy-to-manage drive, AMD StoreMI technology “combines” these two types of storage into a single drive and automatically moves the data you access the most to the SSD, so you get the best of both worlds.

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Premium Power ChokePremium 42A Power Choke

Compared to traditional chokes, ASRock’s premium 42A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.

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Sapphire Black PCB

Pure black PCB appearance. The new Sapphire Black PCB represents rock-solid quality and gives the motherboard a more mysterious touch.

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2oz Copper PCB

Using only carefully selected copper materials for PCB layers, 2oz Copper PCB delivers lower temperature and higher energy efficiency for overclocking.

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High Density Glass Fabric PCB

High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.

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3 Graphics Outputs

Complete with all three types of most used connectors! Packed with a D-Sub + DVI-D + HDMI combo. Plus, the HDMI port supports 4K resolution.

* Supported only with processors with integrated graphics. Please check CPU support list from each motherboard webpage.

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Triple Monitor

Graphics, graphics and even more graphics! You've demanded for more eye candy, so this motherboard supports Triple Monitor. You may choose up to three display interfaces from the rear i/o to connect monitors and use them simultaneously without installing another graphics card.

* Supported with processors with integrated graphics only.

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Solid Capacitor Design

ASRock applied solid capacitors on this motherboard. With these solid capacitors, this motherboard is allowed to perform more stably and ensures longer lifetime.

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Digi Power

This motherboard uses a next generation Hybrid Digi Power design to bring precise control and smooth power. With the ensured efficient and clean power delivery to the CPU, the stability and lifespan of motherboard is also greatly enhanced.

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A-Tuning

A-Tuning is ASRock's multi-purpose software suite with a new interface, more new features and improved utilities.

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Full Spike Protection

Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes.

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Live Update & APP Shop

ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

Manufacturer Contact Info

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